/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {toRef, Ref} from 'vue'
import {formatValidate} from './utils'
import getField from './fields/get-field'
import {omit, isFunction} from 'lodash'
import type {FormRules} from 'naive-ui'
import type {IFormItem, IJsonItem} from './types'

export default function getElementByJson(
    json: IJsonItem[],
    fields: { [field: string]: any }
) {
    const rules: FormRules = {}
    const initialValues: { [field: string]: any } = {}
    const elements: IFormItem[] = []
    for (const item of json) {
        const mergedItem = isFunction(item) ? item() : item
        const {name, value, field, children, validate, ...rest} = mergedItem
        if (value || value === 0) {
            fields[field] = value
            initialValues[field] = value
        }
        if (validate) rules[field] = formatValidate(validate)
        const element: IFormItem = {
            showLabel: !!name,
            ...omit(rest, ['type', 'props', 'options']),
            label: name,
            path: !children ? field : '',
            widget: () => getField(item, fields, rules),
            span: toRef(mergedItem, 'span') as Ref<number>
        }
        elements.push(element)
    }
    return {rules, elements, initialValues}
}
